MC9S12NE64CPV Freescale Semiconductor, MC9S12NE64CPV Datasheet - Page 173
![IC MCU 25MHZ ETHERNT/PHY 112LQFP](/photos/12/20/122046/mc9s12ne64cpv_sml.jpg)
MC9S12NE64CPV
Manufacturer Part Number
MC9S12NE64CPV
Description
IC MCU 25MHZ ETHERNT/PHY 112LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12NE64VTU.pdf
(554 pages)
Specifications of MC9S12NE64CPV
Mfg Application Notes
MC9S12NE64 Integrated Ethernet Controller Implementing an Ethernet Interface with the MC9S12NE64 Web Server Development with MC9S12NE64 and Open TCP
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
EBI/EMI, Ethernet, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
70
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.375 V ~ 3.465 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
70
Number Of Timers
16 bit
Operating Supply Voltage
- 0.3 V to + 3 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 65 C
On-chip Adc
10 bit
For Use With
EVB9S12NE64E - BOARD EVAL FOR 9S12NE64DEMO9S12NE64E - DEMO BOARD FOR 9S12NE64
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No RoHS Version Available
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Definition.” All reset sources are listed in
vector addresses and priorities.
The reset sequence is initiated by any of the following events:
Upon detection of any reset event, an internal circuit drives the RESET pin low for 128 SYSCLK cycles
(see
However, the internal reset circuit of the CRGV4 cannot sequence out of current reset condition without a
running SYSCLK. The number of 128 SYSCLK cycles might be increased by n = 3 to 6 additional
SYSCLK cycles depending on the internal synchronization latency. After 128+n SYSCLK cycles the
RESET pin is released. The reset generator of the CRGV4 waits for additional 64 SYSCLK cycles and
then samples the RESET pin to determine the originating source.
fetched.
Freescale Semiconductor
•
•
•
•
•
Figure
Low level is detected at the RESET pin (external reset).
Power on is detected.
Low voltage is detected.
COP watchdog times out.
Clock monitor failure is detected and self-clock mode was disabled (SCME = 0).
4-25). Because entry into reset is asynchronous it does not require a running SYSCLK.
External circuitry connected to the RESET pin should not include a large
capacitance that would interfere with the ability of this signal to rise to a
valid logic 1 within 64 SYSCLK cycles after the low drive is released.
Sampled RESET Pin
(64 Cycles After
Release)
1
1
1
0
COP Watchdog Reset
Clock Monitor Reset
Low Voltage Reset
Power-on Reset
External Reset
Reset Source
Table 4-14. Reset Vector Selection
Reset Pending
Clock Monitor
MC9S12NE64 Data Sheet, Rev. 1.1
Table 4-13. Reset Summary
Table
X
0
1
0
4-13. Refer to the device overview chapter for related
NOTE
PLLCTL (CME=1, SCME=0)
COPCTL (CR[2:0] nonzero)
COP Reset
Pending
Local Enable
X
X
0
1
None
None
None
POR / LVR / External Reset
Clock Monitor Reset
COP Reset
POR / LVR / External Reset
with rise of RESET pin
Table 4-14
Vector Fetch
shows which vector will be
Resets
173
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